package locker;

//死锁的场景二，两个线程两个锁
public class demo1 {
    public static void main(String[] args) throws InterruptedException {
        Object locker1 = new Object();
        Object locker2 = new Object();
        Thread t1 = new Thread(()->{
           synchronized (locker1) {
               System.out.println("t1拿到第一把锁");
               try {
                   Thread.sleep(1000);
               } catch (InterruptedException e) {
                   throw new RuntimeException(e);
               }
               //第二把锁
               synchronized (locker2) {
                   System.out.println("t1拿到第二把锁");
               }
           }
        });
        Thread t2 = new Thread(()->{
            synchronized (locker2) {
                System.out.println("t2拿到第一把锁");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                //第二把锁
                synchronized (locker1) {
                    System.out.println("t2拿到第二把锁");
                }
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("线程执行完毕！");
    }
}
